Is it Silver or Plate? Part 1 Silver plate. - emprades vintage + design
A Guide To Silver Markings and Basic Terms
Investigating silver hallmarks
EPNS Spoon <W> - What is this maker and why does it appear to be stamped over other marks? : r/Hallmarks
Investigating silver hallmarks
How to read silverplate marks
Set Of 4 Vintage NATIONAL SILVER CO. E.P.N.S. Silver-Plated Teaspoons | eBay
Antique silver spoon found amongst my grandmother's silver...flat-bottomed, with "Sheffield England" stamp on handle, and "BGITP" (or maybe "BGLTP") and "EPNS" stamped in handle as well. : r/whatisthisthing
Vintage English Silver Plate Cased 6 Piece Round Spoon Set With 1 Large Serving & 5 Small Spoons 1 Missing Signed 83 EPNS A1 - Etsy
Silver, Old Sheffield Plate & Silverplate - The Farm Antiques, Wells Maine
Vintage EPNS Silver Plate Spoon & Fork Salad Set Made in England | eBay